| 1 | CLY | Clyde Surveys Ltd. | Callsign: Clyde, | GB | AVCODES |
| 2 | CLY | Clay Lacy Aviation | Callsign: Lacy, | USA | AVCODES |
| 3 | CLY | Clay Lacy Aviation | | | ICAO1 |
| 4 | CLYA | CONLEY TRANSPORT INC | | | SCAC3 |
| 5 | CLYB | CLAEYS BROTHERS MOVING & STORAGE | | | SCAC3 |
| 6 | CLYB | CRATES LAKE COUNTRY BOATS INC | | | SCAC4 |
| 7 | CLYC | CLARYS TRANSFER & STORAGE CO | | | SCAC3 |
| 8 | CLYD | CLYDS TRANSFER | | | SCAC3 |
| 9 | CLYD | CLYDES TRANSFER INC | | | SCAC4 |
| 10 | CLYD | Clydesie Scottish Omnibus Ltd. | | GB | TRAFFIC |
| 11 | CLYE | CEARLEY, CALVIN ENTERPRISES INC | | | SCAC4 |
| 12 | CLYF | COLONY TRAFFIC INC | | | SCAC3 |
| 13 | CLYF | COASTAL CAROLINA SUPPLY INC | | | SCAC4 |
| 14 | CLYG | COMPANIA LYN GEE INC. | | | SCAC3 |
| 15 | CLYH | COLLYER, RICK INC | | | SCAC3 |
| 16 | CLYH | CLASSY TRANSPORT INC | | | SCAC4 |
| 17 | CLYJ | C L YOUNG CO INC | | | SCAC4 |
| 18 | CLYK | CLAYPOOL TRUCKING | | | SCAC4 |
| 19 | CLYL | CARLYLE VAN LINES INC | | | SCAC3 |
| 20 | CLYM | CLAYMAN, B, & SONS | | | SCAC3 |
| 21 | CLYN | CLAYTONS INC | | | SCAC3 |
| 22 | CLYO | CLAYTON TANKERS INC | | | SCAC3 |
| 23 | CLYP | CLYDRICH CORPORATION | | | SCAC3 |
| 24 | CLYQ | CLAYS TRUCKING INC | | | SCAC3 |
| 25 | CLYQ | CLAYTON TRANSPORTATION LLC | | | SCAC4 |
| 26 | CLYS | CLAYS TRANSFER CO, INC | | | SCAC3 |
| 27 | CLYT | CLAY TRANSPORT INC | | | SCAC3 |
| 28 | CLYT | CLAY TRANSPORT INC | | | SCAC4 |
| 29 | CLYV | CHARLEYS TRUCKING SERVICE | | | SCAC3 |
| 30 | CLYV | CARTER, LYN | | | SCAC4 |
| 31 | CLYW | CLAYWELL TRUCKING | | | SCAC4 |
